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Finding the Fourth Proportional to 39,160.63, 54,041.73 and 22,393.63

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Solution

The fourth proportional to 39,160.63, 54,041.73 and 22,393.63 is: 30,903.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,160.63 : 54,041.73 = 22,393.63 : x
  2. Step 2: Convert to fraction form
    39,160.63/54,041.73 = 22,393.63/x
  3. Step 3: Cross multiply
    39,160.63x = 54,041.73 × 22,393.63
  4. Step 4: Simplify right side
    39,160.63x = 1,210,190,506.18
  5. Step 5: Solve for x
    x = 1,210,190,506.18/39,160.63
  6. Step 6: Final answer
    x = 30,903.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.